diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index 2d39640..2dd8332 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -1,5 +1,7 @@
 applications:
 - elasticsearch
+classes:
+- service.elasticsearch.support
 parameters:
   elasticsearch:
     server: